This page is about the meanings of the acronym/abbreviation/shorthand CP/M in the Computing field in general and in the General terminology in particular.

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Definition

CP/M was a mass-market operating system created for Intel 8080/85 based microcomputers by Gary Kildall of Digital Research, Inc. Initially confined to single-tasking on 8-bit processors and no more than 64 kilobytes of memory, later versions of CP/M added multi-user variations, and were migrated to 16-bit processors.
The combination of CP/M and S-100 bus computers loosely patterned on the MITS Altair was an early "industry standard" for microcomputers, and this computer platform was widely used in business through the late 1970s and into the mid-1980s, expanding to include 16-bit CPUs and multiuser capability. By greatly reducing the amount of programming required to install an application on a new manufacturer's computer, CP/M increased the market size for both hardware and software.
The acronym CP/M for "Control Program/Monitor" was later backronymed "Control Program for Microcomputers".